Maintenance schedule
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Service the air cleaner regularly (page 23). Service more frequently when operating the generator in extremely dusty areas. | — | |||
| Fuel filter | Clean the fuel filter and strainer every 3 years. Replace if necessary. | — | 10952 hr | ||
| Oil filter | Change every 50 hours or as needed. | — | 50 hr | ||
| Battery | — | ||||
| Belt | — | ||||
| Coolant | — | ||||
| Oil | Engine oil is a major factor affecting engine performance and service life. Non-detergent oils and vegetable oils are not recommended. | 1.16 US qt | — | ||
| Spark plug | Recommended spark plug: BPR5ES (NGK) WlGEPR-U (ND). CAUTION: Never use a spark plug of incorrect heat range. To ensure proper engine operation, the spark plug must be properly gapped and free of deposits. | — | 300 hr |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.